jasmine

问题 I have installed Protractor, typescript, jasmine with type globally and also locally. Getting following error while running the test via npm install, please guide if anything wrong with the setup. import {browser, element, by, By, $, $$, ExpectedConditions} from 'protractor'; ^^^^^^ SyntaxError: Unexpected token import at createScript (vm.js:56:10) at Object.runInThisContext (vm.js:97:10) at Module._compile (module.js:542:28) at Object.Module._extensions..js (module.js:579:10) at Module.load

问题 I am making a simple snackbar for which code as follows, app.component.ts: ngOnInit(){ this.dataService.valueChanges.pipe( filter((data) =>data=== true), switchMap(() => { const snackBarRef = this.matSnackBar.open( 'A new value updated', 'OK', { duration: 3000 } ); return snackBarRef.onAction(); }) ) .subscribe(() => { this.window.location.reload(); }); } app.component.spec.ts (Including mock data for service) describe('AppComponent', () => { let component: AppComponent; let fixture:

问题 The following controller is getting a TypeError: 'undefined' is not a function (evaluating sessionService.getCurrentPlace() ). I have a Mock Service with that method being spied on. The other method on the mock service works fine. I've tried .AndReturns({..}) on the spy as well as .AndCallThrough() but no luck. Any idea what I'm missing, or am I going about this wrong? Much Thanks! CONTROLLER: 'use strict'; angular.module('wallyApp') .controller('addGatewayCtrl', function ($scope, $location,

问题 I have a function which creates a FileReader . In that function I also set the load and error event handlers handleFileSelect(files:ArrayLike<File>){ ... let reader = new FileReader() reader.onload = this.handleReaderLoaded; reader.onerror = this.handleReaderError; reader.readAsDataURL(file); } } I want to unit-test that handleFileSelect correctly sets the error handler and that the error handler ( handleReaderError ) gets called if FileReader fails. But I can't figure out how to make the

问题 I have a function which creates a FileReader . In that function I also set the load and error event handlers handleFileSelect(files:ArrayLike<File>){ ... let reader = new FileReader() reader.onload = this.handleReaderLoaded; reader.onerror = this.handleReaderError; reader.readAsDataURL(file); } } I want to unit-test that handleFileSelect correctly sets the error handler and that the error handler ( handleReaderError ) gets called if FileReader fails. But I can't figure out how to make the

问题 Message: Error: Timeout - Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL. Stack: Error: Timeout - Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL. at ontimeout (timers.js:365:14) at tryOnTimeout (timers.js:237:5) at Timer.listOnTimeout (timers.js:207:5) 回答1: Increase the jasmin default time interval. You add below code to conf.js file. Code: jasmineNodeOpts: { showColors: true, includeStackTrace: true,

问题 I'm a very beginner with testing and started using jest. This function I have saves data in chrome.storage.local and I want to test if chrome.storage.local called 3 times. Here is the function: saveData: function(){ chrome.storage.local.set({'blackList': bgModule.blackList}, function() {}); chrome.storage.local.set({'pastDays': bgModule.pastDays}, function() {}); chrome.storage.local.set({'websiteList': bgModule.websiteList}, function() {}); } and here is my test: const bgModule = require("..

问题 have written test case for jumping method, but its not going inside onloadend method seat.onloadend, when I see code coverage report. in createSpyObj i called loadend but still its not going inside can you guys tell me how to fix it. providing my code and test case below. I am trying to wite test case for each and every line. jumping(inputValue: any): void { var that = this; var file: File = inputValue.files[0]; var seat: FileReader = new FileReader(); seat.onloadend = (e) => { this

问题 Hello and thank you for your time! I am learning how to use Angular and I am interested in learning how to test its Components. Currently I am struggling because I have done the Tour of Heroes tutorial of the Angular page and I am testing the code to understand it better. The point is that I am testing hero-details component which code is: import {Component, OnInit, Input} from '@angular/core'; import {ActivatedRoute} from '@angular/router'; import {MyHeroService} from '../hero-service/my

问题 Hello and thank you for your time! I am learning how to use Angular and I am interested in learning how to test its Components. Currently I am struggling because I have done the Tour of Heroes tutorial of the Angular page and I am testing the code to understand it better. The point is that I am testing hero-details component which code is: import {Component, OnInit, Input} from '@angular/core'; import {ActivatedRoute} from '@angular/router'; import {MyHeroService} from '../hero-service/my